Why it works: Lemon and orange match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓
Fruit Cake
Ingredients
Directions
The book says “a slow oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Preheat the oven to 300°F (150°C).
Slice the citron and orange peel.
Make the batter
Cream the butter and sugar together.
Add the mixed spices, molasses, beaten egg yolks, part of the flour, brandy, and lemon juice.
Mix in the remaining flour.
Fold in the stiffly beaten egg whites.
Finally, add the floured fruit and nuts.
Pour the batter into a prepared pan.
Bake
Bake for about 1 hour and 15 minutes.
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.
-
Lemon + orangetop 1% of all pairsSmell alikestrongCooked together10,634 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
Lemon + walnuttop 10% of all pairsSmell alikestrongCooked together2,149 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Sugar + molassestop 11% of all pairsSmell alikemoderateCooked together9,225 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Molasses + raisintop 12% of all pairsSmell alikelowCooked together3,577 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Orange + walnuttop 12% of all pairsSmell alikemoderateCooked together1,058 recipes
Shared aroma: 2,4-nonadienal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Creams with sugar to trap air and add richness and tender texture.
- Flour
- Provides the structure that holds the cake together as it bakes.
- Egg whites (in the method)
- Whipped to foam, they lighten the batter and help it rise.
- Molasses
- Adds dark color, moisture, and a deep, slightly bitter sweetness.
- Baking soda
- Reacts with the acidic molasses and lemon juice to help the cake rise.
- Raisins
- Add chewy texture and concentrated sweetness throughout the cake.
The step that matters
Folding in the stiffly beaten egg whites. Overmixing deflates the whipped egg whites, losing the air that lightens the batter. Fold gently with a spatula until just combined so the cake rises evenly and stays light.
Swap the walnut
How well each one fits the dish's main ingredients (butter, sugar, molasses, brandy, lemon, orange, raisin):
- Almondfits better
- Chestnutfits about as well
- Pistachiofits about as well
- Walnutthe original
Fit is the average pairing score against butter, sugar, molasses, brandy, lemon, orange, raisin. Candidates are from the same food group and used in at least 100 recipes.
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
More fruit cake recipes
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.
Orange Bundt Cake349 recipes
Lemon Cake228 recipes
Lemon Ice147 recipes
Orange Cream Rice Pudding121 recipes